Role of Gibberellin

Q.

A baby plant called ___ is inside the seed coat.

Q. Match the following:

Column I	Column II
a. Weedicide	(i) GA${}_3$
b. Bolting	(ii) Cytokinin
c. Thinning of cotton	(iii) Ethylene
d. Lateral shoot growth	(iv) 2, 4-D

1. a(iii), b(ii), c(iv), d(i)
2. a(iv), b(i), c(iii), d(ii)
3. a(iv), b(i), c(ii), d(iii)
4. a(iv), b(ii), c(iii), d(i)

Q.

Gibberellic acid has been successfully employed to induce flowering

1. In short day plants under long day condition

2. In day neutral plants

3. None of these

4. In long day plants under short day condition

Q. Match the following:

Column I	Column II
a. Ethephon	(i) GA
b. Terpene	(ii) Ethylene
c. Zeatin	(iii) Natural auxin
d. IAA	(iv) Cytokinin

1. a(ii), b(i), c(iii), d(iv)
2. a(ii), b(i), c(iv), d(iii)
3. a(iv), b(ii), c(iii), d(iv)
4. a(i), b(ii), c(iii), d(iv)

Q. Cell elongation in internodal regions of plants is due to

1. IAA
2. cytokinin
3. gibberellin
4. abscisic acid